BRUSSELS, BELGIUM - MARCH 22: A police officer ignites a candle in honor at Beursplein sqaure following todays attack on March 22, 2016 in Brussels, Belgium. At least 31 people are thought to have been killed after Brussels airport and the Metro station were targeted by explosions. The attacks come just days after a key suspect in the Paris attacks, Salah Abdeslam, was captured in Brussels. on March 22, 2016 in Brussels, Belgium. (Photo by Alexander Koerner/Getty Images)
